feat: implement function management with FunctionEntity, FunctionService, and FunctionController; enhance QueryExecuterService to utilize functions; refactor CommandController and QueryController to extend BaseQueryController; update Vm class to handle functions; remove obsolete log entities

src/migrations/1760026715562-functions.ts

@@ -0,0 +1,24 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+export class Functions1760026715562 implements MigrationInterface {
+  name = "Functions1760026715562";
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `CREATE TABLE \`function\` (\`id\` varchar(36) NOT NULL, \`name\` varchar(255) NOT NULL, \`source\` longtext NOT NULL, \`projectId\` varchar(36) NULL, UNIQUE INDEX \`IDX_FUNCTION_NAME_PROJECT\` (\`name\`, \`projectId\`), PRIMARY KEY (\`id\`)) ENGINE=InnoDB`
+    );
+    await queryRunner.query(
+      `ALTER TABLE \`function\` ADD CONSTRAINT \`FK_ed63e3acac533604d1d4a21b1d3\` FOREIGN KEY (\`projectId\`) REFERENCES \`project\`(\`id\`) ON DELETE NO ACTION ON UPDATE NO ACTION`
+    );
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `ALTER TABLE \`function\` DROP FOREIGN KEY \`FK_ed63e3acac533604d1d4a21b1d3\``
+    );
+    await queryRunner.query(
+      `DROP INDEX \`IDX_FUNCTION_NAME_PROJECT\` ON \`function\``
+    );
+    await queryRunner.query(`DROP TABLE \`function\``);
+  }
+}

src/project/entities/project.entity.ts

@@ -9,6 +9,7 @@ import {
   PrimaryGeneratedColumn,
 } from "typeorm";
 import { Database } from "../../databaseManager/entities/database.entity";
+import { FunctionEntity } from "../../query/entities/function.entity";
 
 @Entity("project")
 export class Project {
@@ -27,4 +28,7 @@ export class Project {
 
   @OneToMany(() => Query, (query) => query.project)
   queries: Query[];
+
+  @OneToMany(() => FunctionEntity, (functionEntity) => functionEntity.project)
+  functions: FunctionEntity[];
 }

src/project/function/function.controller.ts

@@ -0,0 +1,22 @@
+import { Controller, Inject, Post, UseGuards } from "@nestjs/common";
+import { ApiTokenGuard } from "src/api/guards/api-token.guard";
+import { FunctionService } from "./function.service";
+
+@Controller("functions")
+@UseGuards(ApiTokenGuard)
+export class FunctionController {
+  constructor(
+    @Inject(FunctionService)
+    private readonly functionService: FunctionService
+  ) {}
+
+  @Post("create")
+  async createFunction(projectId: string, name: string, source: string) {
+    return this.functionService.create(projectId, name, source);
+  }
+
+  @Post("delete")
+  async deleteFunction(projectId: string, name: string) {
+    return this.functionService.deleteFunction(projectId, name);
+  }
+}

src/project/function/function.service.ts

@@ -0,0 +1,65 @@
+import { Inject, Injectable } from "@nestjs/common";
+import { InjectRepository } from "@nestjs/typeorm";
+import { FunctionEntity } from "src/query/entities/function.entity";
+import { In, Repository } from "typeorm";
+import { ProjectService } from "../project.service";
+
+@Injectable()
+export class FunctionService {
+  constructor(
+    @InjectRepository(FunctionEntity)
+    private readonly functionRepository: Repository<FunctionEntity>,
+    @Inject(ProjectService)
+    private readonly projectService: ProjectService
+  ) {}
+
+  async create(
+    projectId: string,
+    name: string,
+    source: string
+  ): Promise<FunctionEntity> {
+    const project = await this.projectService.findById(projectId);
+
+    if (!project) {
+      throw new Error("Project not found");
+    }
+
+    const existingFunction = await this.functionRepository.findOne({
+      where: { name, project: { id: projectId } },
+    });
+
+    if (existingFunction) {
+      existingFunction.source = source;
+      return this.functionRepository.save(existingFunction);
+    }
+
+    const functionEntity = this.functionRepository.create({
+      name,
+      source,
+      project,
+    });
+
+    return this.functionRepository.save(functionEntity);
+  }
+
+  async findByNames(
+    projectId: string,
+    names: string[]
+  ): Promise<FunctionEntity[]> {
+    return this.functionRepository.find({
+      where: { project: { id: projectId }, name: In(names) },
+    });
+  }
+
+  async deleteFunction(projectId: string, name: string): Promise<void> {
+    const functionEntity = await this.functionRepository.findOne({
+      where: { name, project: { id: projectId } },
+    });
+
+    if (!functionEntity) {
+      throw new Error("Function not found");
+    }
+
+    await this.functionRepository.remove(functionEntity);
+  }
+}

src/query/base/base-query.controller.ts

@@ -0,0 +1,71 @@
+import {
+  Body,
+  Headers,
+  Inject,
+  Param,
+  Post,
+  Res,
+  UseGuards,
+} from "@nestjs/common";
+import { Response } from "express";
+import { QueryHandlerService } from "../handler/query.handler.service";
+import { ApiTokenGuard } from "src/api/guards/api-token.guard";
+import { QueryExecuterService } from "../executer/query.executer.service";
+
+@UseGuards(ApiTokenGuard)
+export abstract class BaseQueryController {
+  constructor(
+    @Inject(QueryHandlerService)
+    protected readonly queryHandlerService: QueryHandlerService,
+    @Inject(QueryExecuterService)
+    protected readonly queryExecuterService: QueryExecuterService
+  ) {}
+
+  protected abstract getIsCommand(): boolean;
+
+  @Post("create")
+  async createQuery(
+    @Body() queryData: { projectToken: string; source: string }
+  ) {
+    return this.queryHandlerService.createQuery(queryData, this.getIsCommand());
+  }
+
+  @Post("update/:id")
+  async updateQuery(
+    @Body() updateData: Partial<{ source: string }>,
+    @Inject("id") id: string
+  ) {
+    return this.queryHandlerService.updateQuery(id, updateData);
+  }
+
+  @Post("/run/:token")
+  async runQuery(
+    @Param("token") token: string,
+    @Body() query: Record<string, any>,
+    @Headers() headers: Record<string, any>,
+    @Res() res: Response
+  ) {
+    const queryResult = await this.queryExecuterService.runQueryQueued(
+      token,
+      query,
+      headers
+    );
+
+    res.status(queryResult?.statusCode || 200);
+
+    if (
+      queryResult?.statusCode === 302 &&
+      queryResult?.headers &&
+      queryResult?.headers["Location"]
+    ) {
+      res.redirect(queryResult?.headers["Location"]);
+      return;
+    }
+
+    for (const [key, value] of Object.entries(queryResult?.headers || {})) {
+      res.setHeader(key, value);
+    }
+
+    res.send(queryResult?.response || null);
+  }
+}

src/query/command/command.controller.ts

@@ -1,67 +1,20 @@
-import {
+import { Controller, Inject } from "@nestjs/common";
-  Body,
-  Controller,
-  Headers,
-  Inject,
-  Param,
-  Post,
-  Res,
-  UseGuards,
-} from "@nestjs/common";
 import { QueryHandlerService } from "../handler/query.handler.service";
 import { QueryExecuterService } from "../executer/query.executer.service";
-import { Response } from "express";
+import { BaseQueryController } from "../base/base-query.controller";
-import { ApiTokenGuard } from "src/api/guards/api-token.guard";
 
 @Controller("command")
-@UseGuards(ApiTokenGuard)
+export class CommandController extends BaseQueryController {
-export class CommandController {
   constructor(
     @Inject(QueryHandlerService)
-    private readonly queryHandlerService: QueryHandlerService,
+    queryHandlerService: QueryHandlerService,
     @Inject(QueryExecuterService)
-    private readonly queryExecuterService: QueryExecuterService
+    queryExecuterService: QueryExecuterService
-  ) {}
-
-  @Post("create")
-  async createQuery(
-    @Body() queryData: { projectToken: string; source: string }
   ) {
-    return this.queryHandlerService.createQuery(queryData, true);
+    super(queryHandlerService, queryExecuterService);
   }
 
-  @Post("update/:id")
+  protected getIsCommand(): boolean {
-  async updateQuery(
+    return true;
-    @Body() updateData: Partial<{ source: string }>,
-    @Inject("id") id: string
-  ) {
-    return this.queryHandlerService.updateQuery(id, updateData);
-  }
-
-  @Post("/run/:token")
-  async runQuery(
-    @Param("token") token: string,
-    @Body() query: Record<string, any>,
-    @Headers() headers: Record<string, any>,
-    @Res() res: Response
-  ) {
-    const queryResult = await this.queryExecuterService.runQueryQueued(
-      token,
-      query,
-      headers
-    );
-
-    res.status(queryResult.statusCode);
-
-    if (queryResult.statusCode === 302 && queryResult.headers["Location"]) {
-      res.redirect(queryResult.headers["Location"]);
-      return;
-    }
-
-    for (const [key, value] of Object.entries(queryResult.headers)) {
-      res.setHeader(key, value);
-    }
-
-    res.send(queryResult.response);
   }
 }

src/query/entities/function.entity.ts

@@ -0,0 +1,24 @@
+import { Project } from "../../project/entities/project.entity";
+import {
+  Column,
+  Entity,
+  Index,
+  ManyToOne,
+  PrimaryGeneratedColumn,
+} from "typeorm";
+
+@Entity("function")
+@Index("IDX_FUNCTION_NAME_PROJECT", ["name", "project"], { unique: true })
+export class FunctionEntity {
+  @PrimaryGeneratedColumn("uuid")
+  id: string;
+
+  @Column({ type: "varchar", length: 255 })
+  name: string;
+
+  @Column({ type: "longtext" })
+  source: string;
+
+  @ManyToOne(() => Project, (project) => project.queries)
+  project: Project;
+}

src/query/executer/query.executer.service.ts

@@ -1,4 +1,4 @@
-import { Injectable } from "@nestjs/common";
+import { Inject, Injectable } from "@nestjs/common";
 import { InjectRepository } from "@nestjs/typeorm";
 import { Query } from "../entities/query.entity";
 import { Repository } from "typeorm";
@@ -13,6 +13,7 @@ import { DatabaseManagerService } from "src/databaseManager/database/database.ma
 import { InjectQueue } from "@nestjs/bullmq";
 import { QUEUE_NAMES } from "src/queue/constants";
 import { Queue, QueueEvents } from "bullmq";
+import { FunctionService } from "src/project/function/function.service";
 
 @Injectable()
 export class QueryExecuterService {
@@ -21,6 +22,8 @@ export class QueryExecuterService {
   constructor(
     @InjectRepository(Query)
     readonly queryRepository: Repository<Query>,
+    @Inject(FunctionService)
+    private readonly functionService: FunctionService,
     readonly databaseManagerService: DatabaseManagerService,
     @InjectQueue(QUEUE_NAMES.QUERY) private queryQueue: Queue
   ) {
@@ -110,6 +113,16 @@ export class QueryExecuterService {
 
     const moduleNames = importsParsed.filter((imp) => imp.type === "module");
     const pluginNames = importsParsed.filter((imp) => imp.type === "plugin");
+    const functionNames = importsParsed.filter(
+      (imp) => imp.type === "function"
+    );
+
+    const functions = (
+      await this.functionService.findByNames(
+        query.project.id,
+        functionNames.map((fn) => fn.name)
+      )
+    ).map((fn) => fn.source);
 
     const modules = moduleNames.map((mod) => {
       if (registeredModules[mod.name]) {
@@ -134,24 +147,18 @@ export class QueryExecuterService {
       cpuTimeLimit: BigInt(5e9),
       modules: modules,
       plugins: plugins,
+      functions: functions,
     });
 
     return await vm.init();
   }
 
-  private checkResponse(obj: any): obj is QueryResponse {
+  private checkResponse(obj: any): boolean {
-    return (
+    if (obj?.statusCode && obj.response && typeof obj.statusCode === "number") {
-      obj !== null &&
+      return true;
-      typeof obj === "object" &&
+    }
-      typeof obj.statusCode === "number" &&
+
-      typeof obj.response === "object" &&
+    return false;
-      obj.response !== null &&
-      typeof obj.headers === "object" &&
-      obj.headers !== null &&
-      Object.keys(obj.headers).every(
-        (key) => typeof obj.headers[key] === "string"
-      )
-    );
   }
 
   async onModuleDestroy() {

src/query/handler/query.controller.ts

@@ -1,67 +1,20 @@
-import {
+import { Controller, Inject } from "@nestjs/common";
-  Body,
-  Controller,
-  Headers,
-  Inject,
-  Param,
-  Post,
-  Res,
-  UseGuards,
-} from "@nestjs/common";
-import { Response } from "express";
 import { QueryHandlerService } from "./query.handler.service";
-import { ApiTokenGuard } from "src/api/guards/api-token.guard";
 import { QueryExecuterService } from "../executer/query.executer.service";
+import { BaseQueryController } from "../base/base-query.controller";
 
 @Controller("query")
-@UseGuards(ApiTokenGuard)
+export class QueryController extends BaseQueryController {
-export class QueryController {
   constructor(
     @Inject(QueryHandlerService)
-    private readonly queryHandlerService: QueryHandlerService,
+    queryHandlerService: QueryHandlerService,
     @Inject(QueryExecuterService)
-    private readonly queryExecuterService: QueryExecuterService
+    queryExecuterService: QueryExecuterService
-  ) {}
-
-  @Post("create")
-  async createQuery(
-    @Body() queryData: { projectToken: string; source: string }
   ) {
-    return this.queryHandlerService.createQuery(queryData);
+    super(queryHandlerService, queryExecuterService);
   }
 
-  @Post("update/:id")
+  protected getIsCommand(): boolean {
-  async updateQuery(
+    return false;
-    @Body() updateData: Partial<{ source: string }>,
-    @Inject("id") id: string
-  ) {
-    return this.queryHandlerService.updateQuery(id, updateData);
-  }
-
-  @Post("/run/:token")
-  async runQuery(
-    @Param("token") token: string,
-    @Body() query: Record<string, any>,
-    @Headers() headers: Record<string, any>,
-    @Res() res: Response
-  ) {
-    const queryResult = await this.queryExecuterService.runQueryQueued(
-      token,
-      query,
-      headers
-    );
-
-    res.status(queryResult.statusCode);
-
-    if (queryResult.statusCode === 302 && queryResult.headers["Location"]) {
-      res.redirect(queryResult.headers["Location"]);
-      return;
-    }
-
-    for (const [key, value] of Object.entries(queryResult.headers)) {
-      res.setHeader(key, value);
-    }
-
-    res.send(queryResult.response);
   }
 }

src/query/logs/entities/log.entity.ts

@@ -1,20 +0,0 @@
-import { Column, Entity, PrimaryGeneratedColumn } from "typeorm";
-import { LogRecord } from "../logs.type";
-
-@Entity("logs")
-export class LogEntity {
-  @PrimaryGeneratedColumn("uuid")
-  id: string;
-
-  @Column({
-    type: "longtext",
-    nullable: false,
-    transformer: {
-      to: (value: any) => JSON.stringify(value),
-      from: (value: any) => JSON.parse(value),
-    },
-  })
-  record: LogRecord;
-
-  // TODO: projectId
-}

src/query/logs/logs.type.ts

@@ -1,12 +0,0 @@
-export type LogLevel = "DEBUG" | "INFO" | "WARN" | "ERROR" | "FATAL";
-
-export type LogLine = {
-  timestamp: string;
-  message: string;
-  level: LogLevel;
-};
-
-export type LogRecord = {
-  id: string;
-  lines: LogLine[];
-};

src/query/query.module.ts

@@ -9,6 +9,9 @@ import { DatabaseManagerModule } from "src/databaseManager/database.manager.modu
 import { CommandController } from "./command/command.controller";
 import { ApiModule } from "src/api/api.module";
 import { QueueModule } from "src/queue/queue.module";
+import { FunctionEntity } from "./entities/function.entity";
+import { FunctionService } from "src/project/function/function.service";
+import { FunctionController } from "src/project/function/function.controller";
 
 @Module({
   imports: [
@@ -16,10 +19,10 @@ import { QueueModule } from "src/queue/queue.module";
     forwardRef(() => DatabaseManagerModule),
     forwardRef(() => ApiModule),
     forwardRef(() => QueueModule),
-    TypeOrmModule.forFeature([Query]),
+    TypeOrmModule.forFeature([Query, FunctionEntity]),
   ],
-  controllers: [QueryController, CommandController],
+  controllers: [QueryController, CommandController, FunctionController],
-  providers: [QueryExecuterService, QueryHandlerService],
+  providers: [QueryExecuterService, QueryHandlerService, FunctionService],
   exports: [QueryExecuterService, TypeOrmModule],
 })
 export class QueryModule {}

src/vm/vm.class.ts

@@ -9,6 +9,7 @@ export class Vm {
   private context: any;
   private jail: any;
   private plugins: Plugin[];
+  private functions: string[];
   private isolate: ivm.Isolate;
   private timeLimit?: bigint;
   private cpuTimeLimit?: bigint;
@@ -19,12 +20,14 @@ export class Vm {
     cpuTimeLimit?: bigint;
     modules: VModule[];
     plugins: Plugin[];
+    functions: string[];
   }) {
     this.memoryLimit = configs.memoryLimit;
     this.modules = configs.modules;
     this.plugins = configs.plugins;
     this.timeLimit = configs.timeLimit;
     this.cpuTimeLimit = configs.cpuTimeLimit;
+    this.functions = configs.functions;
   }
 
   async init(): Promise<Vm> {
@@ -38,6 +41,10 @@ export class Vm {
       await this.context.eval(mod.getSource());
     }
 
+    for (const fn of this.functions) {
+      await this.context.eval(fn);
+    }
+
     for (const plugin of this.plugins) {
       const pluginName = plugin.getName();
 

src/vm/vm.constants.ts

@@ -35,6 +35,6 @@ export const registeredModules = {
 
 export type QueryResponse = {
   statusCode: number;
-  response: Record<string, any>;
+  response: any;
   headers: Record<string, string>;
 };